PROBLEM TO BE SOLVED: To provide an agricultural and horticultural bactericide that is excellent in bactericidal activity and safety and can be synthesized industrially advantageously.SOLUTION: The invention provides a compound represented by formula (I) or a salt thereof. (In formula (I), R1, R2, R3, R3', R4, R4', R5 and R5' are each a substituent such as an alkyl group； X is a halogeno group or the like； and n is an integer from 0 to 5.)SELECTED DRAWING: NoneCOPYRIGHT: (C)2019,JPO&INPIT【課題】殺菌活性及び安全性に優れ、工業的に有利に合成できる農園芸用殺菌剤の提供。【解決手段】式(I)で表される化合物または、その塩。（式(I)中、Ｒ1、Ｒ2、Ｒ3、Ｒ3'、Ｒ4、Ｒ4'、Ｒ5、Ｒ5'は、アルキル基、などの置換基であり、Ｘは、ハロゲノ基などであり、ｎは、０～５の整数。）【選択図】なし
